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| 1 <!-- | |
| 2 Copyright (c) 2014 The Polymer Project Authors. All rights reserved. | |
| 3 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt | |
| 4 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt | |
| 5 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt | |
| 6 Code distributed by Google as part of the polymer project is also | |
| 7 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt | |
| 8 --><!-- | |
| 9 @group Polymer Core Elements | |
| 10 | |
| 11 The `<core-selection>` element is used to manage selection state. It has no | |
| 12 visual appearance and is typically used in conjunction with another element. | |
| 13 For example, [core-selector](#core-selector) | |
| 14 uses a `<core-selection>` to manage selection. | |
| 15 | |
| 16 To mark an item as selected, call the `select(item)` method on | |
| 17 `<core-selection>`. The item itself is an argument to this method. | |
| 18 | |
| 19 The `<core-selection>`element manages selection state for any given set of | |
| 20 items. When an item is selected, the `core-select` event is fired. | |
| 21 | |
| 22 The attribute `multi` indicates if multiple items can be selected at once. | |
| 23 | |
| 24 Example: | |
| 25 | |
| 26 <polymer-element name="selection-example"> | |
| 27 <template> | |
| 28 <style> | |
| 29 polyfill-next-selector { content: ':host > .selected'; } | |
| 30 ::content > .selected { | |
| 31 font-weight: bold; | |
| 32 font-style: italic; | |
| 33 } | |
| 34 </style> | |
| 35 <ul on-tap="{{itemTapAction}}"> | |
| 36 <content></content> | |
| 37 </ul> | |
| 38 <core-selection id="selection" multi | |
| 39 on-core-select="{{selectAction}}"></core-selection> | |
| 40 </template> | |
| 41 <script> | |
| 42 Polymer('selection-example', { | |
| 43 itemTapAction: function(e, detail, sender) { | |
| 44 this.$.selection.select(e.target); | |
| 45 }, | |
| 46 selectAction: function(e, detail, sender) { | |
| 47 detail.item.classList.toggle('selected', detail.isSelected); | |
| 48 } | |
| 49 }); | |
| 50 </script> | |
| 51 </polymer-element> | |
| 52 | |
| 53 <selection-example> | |
| 54 <li>Red</li> | |
| 55 <li>Green</li> | |
| 56 <li>Blue</li> | |
| 57 </selection-example> | |
| 58 | |
| 59 @element core-selection | |
| 60 --><!-- | |
| 61 Fired when an item's selection state is changed. This event is fired both | |
| 62 when an item is selected or deselected. The `isSelected` detail property | |
| 63 contains the selection state. | |
| 64 | |
| 65 @event core-select | |
| 66 @param {Object} detail | |
| 67 @param {boolean} detail.isSelected true for selection and false for de-selecti
on | |
| 68 @param {Object} detail.item the item element | |
| 69 --><html><head><link rel="import" href="../polymer/polymer.html"> | |
| 70 | |
| 71 </head><body><polymer-element name="core-selection" attributes="multi" hidden=""
assetpath=""> | |
| 72 | |
| 73 </polymer-element> | |
| 74 <script charset="utf-8" src="core-selection-extracted.js"></script></body></html
> | |
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Chromium Code Reviews
Issue 1215543002:
Remove Polymer 0.5. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master